Here is a digital Time of Day Clock and Programmable Preset time in one economical package. There are 40 sets of on-off action that can be programmed to control 4 electrical devices at the same time. Programs may be one-time, daily repeat or set to omit operation on Sundays or Saturdays and Sundays. Correct time is maintained during blackouts by a back-up battery feature.The MXA114 will find application in schools, sports clubs and industry to indicate start/stop times for lessons or work periods, lunch times and rest breaks. It can also be used to control public and shop lighting and advertising signs.